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  <title>Quarkus 1.3 and Eclipse MicroProfile 3.3</title>
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          March 23, 2020 
          
            <span class="tags"><a href="/blog/tag/announcement">#announcement</a><a href="/blog/tag/microprofile">#microprofile</a></span>
          
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        <h1 class="post-title">Quarkus 1.3 and Eclipse MicroProfile 3.3</h1>
        <div class="grid-wrapper">
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              <img class="headshot" src="https://www.gravatar.com/avatar/74e721dd22b0d509b85746c5edf559c8">
            
            <p class="byline">By Ken Finnigan</p>
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              <div class="paragraph">
<p>With the announcement that Quarkus 1.3 is now available,
we’re pleased to additionally announce that Quarkus 1.3 passes the TCKs of all
<a href="https://projects.eclipse.org/projects/technology.microprofile/releases/microprofile-3.3">Eclipse MicroProfile 3.3</a> specifications.</p>
</div>
<div class="paragraph">
<p><a href="https://projects.eclipse.org/projects/technology.microprofile/releases/microprofile-3.3">MicroProfile 3.3</a> includes the following specification updates:</p>
</div>
<div class="ulist">
<ul>
<li>
<p>Config 1.4</p>
</li>
<li>
<p>Fault Tolerance 2.1</p>
</li>
<li>
<p>Health 2.2</p>
</li>
<li>
<p>Metrics 2.3</p>
</li>
<li>
<p>REST Client 1.4</p>
</li>
</ul>
</div>
<div class="sect1">
<h2 id="config"><a class="anchor" href="#config"></a><a href="https://quarkus.io/guides/config">Config</a></h2>
<div class="sectionbody">
<div class="paragraph">
<p>The Config update includes fixes to prevent the incorrect caching of <code>ConfigProviderResolver</code> and classloader issues related to it as well.</p>
</div>
<div class="paragraph">
<p>It also adjusted the priority of implicit converters and added converters for <code>byte</code>, <code>short</code>, and <code>char</code>.
The priority change means that implicit conversion will utilize any static methods before attempting to use a constructor.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="fault-tolerance"><a class="anchor" href="#fault-tolerance"></a><a href="https://quarkus.io/guides/microprofile-fault-tolerance">Fault Tolerance</a></h2>
<div class="sectionbody">
<div class="paragraph">
<p><code>CircuitBreaker</code> and <code>Fallback</code> both added the <code>skipOn</code> property and <code>Fallback</code> added the <code>applyOn</code> property
so that it’s now possible to define exceptions that should trigger the behavior or pass-through to the caller.
Why is this important?</p>
</div>
<div class="paragraph">
<p>Real-world use cases were identified where triggering a fault tolerance strategy for certain exceptions is required,
and also being able to treat other exceptions as <em>normal</em> to prevent a strategy from being applied.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="health"><a class="anchor" href="#health"></a><a href="https://quarkus.io/guides/microprofile-health">Health</a></h2>
<div class="sectionbody">
<div class="paragraph">
<p>It contains a few minor updates that include adding Annotation literals to all qualifiers to ease
programmatic lookup and switching <code>HealthCheckResponse</code> to be a concrete class,
enabling its use on the consuming end.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="metrics"><a class="anchor" href="#metrics"></a><a href="https://quarkus.io/guides/microprofile-metrics">Metrics</a></h2>
<div class="sectionbody">
<div class="paragraph">
<p>Added <code>@SimplyTimed</code> which doesn’t perform mean and distribution calculations.
It only calculates hit count and time spent on a method.
<code>@SimplyTimed</code> is a “simple” version of <code>@Timed</code> that reduces calculation time,
as these calculations can be performed by Prometheus with the raw data from <code>@SimplyTimed</code>.</p>
</div>
<div class="paragraph">
<p>The specification now also defines optional metrics specific to JAX-RS invocations.
For each JAX-RS method, there is a Simple Timer,
so we measure the total count of requests and the total time spent in that method.</p>
</div>
<div class="paragraph">
<p>The specification also adds one more optional base metric, ProcessCpuTime,
which tracks the CPU time occupied by the JVM.
It is optional because its value is not available from a JDK interface, only an internal Sun one.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="rest-client"><a class="anchor" href="#rest-client"></a><a href="https://quarkus.io/guides/rest-client">REST Client</a></h2>
<div class="sectionbody">
<div class="paragraph">
<p>Now defines that supporting CDI injection into <code>ClientHeadersFactory</code> is a requirement of the specification.
This resolves a gap where previously it was not possible to <code>@Inject</code> into the class.</p>
</div>
<div class="paragraph">
<p>The <code>@RestClient</code> qualifier for injection points now has <code>@Target</code> specified, enabling its usage with Kotlin.
There are many Quarkus users using Kotlin that were bitten by this problem in previous releases.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="standalone"><a class="anchor" href="#standalone"></a>Standalone</h2>
<div class="sectionbody">
<div class="paragraph">
<p>In addition to the specifications within the MicroProfile platform,
<a href="https://quarkus.io/">Quarkus</a> also includes implementations of Reactive Streams Operators,
<a href="https://quarkus.io/guides/kafka">Reactive Messaging</a>,
and <a href="https://quarkus.io/guides/context-propagation">Context Propagation</a>.
Whether it’s Imperative or Reactive we’ve got what you need in <a href="https://quarkus.io/">Quarkus</a>!</p>
</div>
<div class="paragraph">
<p>In the near future,
<a href="https://quarkus.io/">Quarkus</a> will also begin including implementations for the new standalone specifications for Long-Running Actions and GraphQL.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="summary"><a class="anchor" href="#summary"></a>Summary</h2>
<div class="sectionbody">
<div class="paragraph">
<p>The release of Quarkus 1.3 continues our commitment to implementing the <a href="https://microprofile.io/">MicroProfile</a> specifications
in <a href="https://smallrye.io/">SmallRye</a> and utilizing them in <a href="https://quarkus.io/">Quarkus</a>.
Please provide feedback on the <a href="https://microprofile.io/">MicroProfile</a> features to ensure we’re providing what developers need and want.
If we’re missing key functionality, please let us know!</p>
</div>
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